Question

Complete the data set with one value so that the mean of the data is 13.

10,14,8,16,12,____

Answer 1

(10 + 14 + 8 + 16 + 12 + x ) /6 = 13
(60 + x) / 6 = 13
60 + x = 13 * 6
60 + x = 78
x = 78 - 60
x = 18 <=====